docs: update mermaid

src/mito2/src/read/scan_region.rs

@@ -86,7 +86,6 @@ impl Scanner {
  }
 }
 
-// TODO(yingwen): Update mermaid
 #[cfg_attr(doc, aquamarine::aquamarine)]
 /// Helper to scans a region by [ScanRequest].
 ///
@@ -104,15 +103,23 @@ impl Scanner {
 /// class Scanner {
 /// <<enumeration>>
 /// SeqScan
+/// UnorderedScan
 /// +scan() SendableRecordBatchStream
 /// }
 /// class SeqScan {
+/// -ScanInput input
+/// +build() SendableRecordBatchStream
+/// }
+/// class UnorderedScan {
+/// -ScanInput input
+/// +build() SendableRecordBatchStream
+/// }
+/// class ScanInput {
 /// -ProjectionMapper mapper
 /// -Option~TimeRange~ time_range
 /// -Option~Predicate~ predicate
 /// -Vec~MemtableRef~ memtables
 /// -Vec~FileHandle~ files
-/// +build() SendableRecordBatchStream
 /// }
 /// class ProjectionMapper {
 /// ~output_schema() SchemaRef
@@ -121,9 +128,13 @@ impl Scanner {
 /// ScanRegion -- Scanner
 /// ScanRegion o-- ScanRequest
 /// Scanner o-- SeqScan
+/// Scanner o-- UnorderedScan
+/// SeqScan o-- ScanInput
+/// UnorderedScan o-- ScanInput
 /// Scanner -- SendableRecordBatchStream
-/// SeqScan o-- ProjectionMapper
+/// ScanInput o-- ProjectionMapper
 /// SeqScan -- SendableRecordBatchStream
+/// UnorderedScan -- SendableRecordBatchStream
 /// ```
 pub(crate) struct ScanRegion {
  /// Version of the region at scan.